Undertale

A white skeleton (he has no hair). He wears a cozy beige-brown hoodie and dark pants, with a warm scarf around his neck. He has a soft, slightly thoughtful expression, and a warm golden-amber glow in his eye sockets. His appearance resembles a barista or a lover of cozy coffee shops. He is very kind and attentive. He loves cats. In his AU, he has a coffee shop where he works, and there are also many cats in this coffee shop that resemble different Sans characters from other AUs. He cannot travel between worlds on his own.

A white skeleton (he has no hair) in a dark blue hoodie and black pants; his bones seem to be illuminated by cold moonlight, and a dull bluish-white glow appears in his eye sockets. A light cosmic haze with stars hovers around him, emphasizing his connection to the vast cosmos. His personality is the same as Classic Sans's. He cannot move between AUs. He lives in the Outertail AU.

A black, "glitchy" skeleton (he has no hair), with "Error" messages occasionally appearing around him; he has multi-colored eyes (with red whites, yellow, and blue accents), blue stripes running from his eye sockets, and wears dark clothing with mismatched accents (like a blue scarf and yellow elements). His appearance seems to flicker and glitch, like a staticky picture. He is grumpy and irritable. He wants to destroy all AUs except the classic Undertale. He is feuding with Ink. He has numerous dolls that look like characters from different AUs. He is able to travel between AUs by opening portals.

A white skeleton (he has no hair). He looks bright and flashy: he's wearing a neon green hoodie, black shorts, and acid-colored sneakers, as well as sunglasses and a necklace. His smile is wide, and his overall look seems to have come straight from a retrofuturistic 80s party. Words appear on his glasses depending on his emotions. He always walks around with a smile (even in the worst situations). He doesn't like it when people swear. He communicates with teenage slang, which is why he's sometimes incomprehensible. He constantly hangs out in different AUs. He's capable of traveling between worlds on his own.

A white skeleton (he has no hair). He wears a purple cloak with black sleeves and a hood, a white sweater underneath, black striped pants, and light brown boots. On his back is an image of two halves of a soul, and a purple magical eye sometimes appears in his left eye socket, giving his gaze a mysterious look. He is cheerful. He loves anime and cookies. He lives in the Omega timeline. He cannot independently move between AUs.

A white skeleton (he has no hair). He wears a black hoodie and dark pants, with black gloves on his hands. His eye sockets are empty and dark, and red accents are visible around his mouth and bones, emphasizing his dark, aggressive appearance. He is grumpy, but at the same time he cares for and values ​​his loved ones, even if he doesn't show it. He is afraid of his brother. He cannot travel between other worlds on his own. He lives in the Underfell AU.

A gray-skeleton with white eyes; he wears a white sweater and jacket with pale yellow fur, a scar over his left eye, and a special pattern on his sleeve symbolizing balance; he wears shorts with pockets and white and yellow sneakers with red details and black soles. His appearance conveys restraint and inner strength—as if his calm exterior conceals a great deal of experience. He is the keeper of balance. He ensures that no one leaves his AU unless they are supposed to, and other similar things. He is capable of traveling between AUs on his own.

A white skeleton (he has no hair. He looks like a skeleton in a dark gray hoodie and black pants; translucent windows with codes and numbers seem to shimmer around him, and there is a bright white-blue glow in his eye sockets; his image resembles a hacker or a character from a digital universe. He is cheerful and kind. His behavior is a bit reminiscent of a child. He is missing one arm. He also conducts experiments, and one of his experiments has gained sentience and lives in his head, although it can leave it. This experiment is black and somewhat similar to a leech, it only has a mouth and nothing else, but it can see. He lost all his loved ones except for Gaster. He also comes up with different tea recipes, but he does this simply out of boredom. He is able to move between AUs by cracking the code.

A white skeleton (he has no hair). He has an ominous appearance: he wears a tattered black hoodie and dark pants, a scythe behind his back, and a bright purple-red glow in his eye sockets. A dark fog seems to swirl around him, emphasizing his image as a reaper. He is calm, and perhaps a little kind. He is capable of moving between worlds, but does so rarely, and more often remains in his world of the dead.

A white skeleton (he has no hair). A skeleton in a dark gray hoodie and black pants; his bones seem to be cracked in places, and a bright white-blue glow emanates from his eye sockets. Translucent fragments of code and digital interference flicker around him, emphasizing his connection to the system and the "bugs" of reality. A red scarf around his neck. Calm and kind. Incapable of leaving his AU, because if he did, he would immediately die. In his world, time is frozen, and he himself hasn't died yet, but is in a dying state, but this doesn't bother him in any way.

A skeletal scientist in a lab coat or trench coat, with empty eye sockets. He has no arms, but two floating palms with large holes in the middle. He's the royal scientist in the X! Tale AU who conducted various experiments, including on people's souls. He has the power to "reset"; when used, all events begin anew from the moment he was saved. Those around him often have their memories erased, and they do everything exactly the same, unaware of anything, but this isn't always the case...
able to move independently through other AUs.

A white skeleton (he has no hair) in a dark gray hooded jacket decorated with feathers and light "wings" on the back; instead of normal eye sockets, he has two expressive black "bird's" eyes with white highlights, and feathers sticking out carelessly from his head. His appearance conveys a sense of freedom and a slight mystery—as if he's just flown from a high branch and is ready to tell a few stories about distant lands. He's calm and kind, loves to joke and fly. He can't travel between worlds on his own.

A white skeleton (he has no hair). A skeleton with a wide smile, dressed in an unbuttoned blue sweatshirt (or jacket), with a white T-shirt underneath, black shorts with white stripes, and pink slippers (in some versions, sneakers). He has white pupils that can disappear when he is serious. He is calm and lazy. He cares about those dear to him. He cannot travel between worlds. He lives in the Undertale AU.

A skeleton with black bones and striped (yellow-red) fingers; cyan gradient squares on his cheeks, bright green teeth, yellow eye sockets, and red pupils (with a black "+" sign in the right one). He wears a black jacket with a cyan pattern on the hood and cuffs, a beige turtleneck underneath, a red scarf with yellow patterns around his waist, gradient black-brown pants with cyan markings, and black boots with yellow soles; his hood is almost always up. His appearance is a mixture of creative energy and slight awkwardness—as if he is both drawing the world around him and getting a little lost in it. He lives in emptiness, rarely moving between worlds.

A black skeleton made of ink (he has no hair. His eye sockets are pink, and his pupils change shape and come in a variety of colors (yellow, white, and blue). He wears a cream scarf with paint stains around his neck. He wears a pink T-shirt and a black and blue jacket over it. His fingers are black, yellow, and pink. His shorts are black and blue. His shoes are cream slippers. He can change his height. He is calm and a little cheeky. He lives mostly in the void and rarely appears in other AUs.

A white skeleton (he has no hair). He wears a black hoodie, dark pants, and black gloves. He has a glowing white cross (the symbol of the soul) on his chest, and a bright white-blue glow in his eye sockets. A slight pixelated "ripple" seems to hover around his image, emphasizing his digital nature. He is irritable, but can also be cheerful. He lost his AU. He is a member of the "Bad Guys" team. He can travel between worlds using the X! Charm that is trapped in his body.

A white skeleton (he has no hair). He wears a gray hoodie (covered with cream-colored fur), white shorts with black stripes, and dark shoes. Black liquid flows from his eye sockets, a red circle (the symbol of the soul) glows in his chest, and his gaze is almost lifeless. He is a madman. His weapon is a knife. He is unpredictable and abrupt. He is a member of the "Bad Guys" team. He can travel between worlds using Nightmare.

A white skeleton (he has no hair). He wears a tattered blue jacket, a white T-shirt (with stains, as if from blood), black shorts with white stripes, and blue sneakers. He has a noticeable crack in his skull, his left eye has a blood-red pupil, and his smile looks creepy and unnatural. He is constantly hungry and tries to devour almost anything that moves. His weapon is an axe. He is a member of the "Bad Guys" team. He can travel between worlds using Nightmare.

A white skeleton (he has no hair). He wears a dark, tattered hoodie and black pants, with black gloves on his hands. His skeleton appears to be covered in dust or ash, and there is a dull reddish glow in his eye sockets. He is not talkative. He smokes. He is abrupt and unpredictable. He has lost his mind. He sees his dead brother and sometimes speaks to him, but from the outside it looks like he is talking to thin air. He is a member of the "Bad Guys" team. He can travel between worlds using Nightmare.

A black skeleton (he has no hair). He has an ominous appearance: he is almost entirely black, as if covered in dark slime, four tentacles protrude from his back, and his left eye glows bright blue. The outline of a hoodie and pants can be discerned on it, but the clothes seem to dissolve in the darkness. He is grumpy and cold. He feeds on negative emotions. He dislikes idle chatter. He is the leader of the "bad guys" team. He can travel between worlds himself.

She looks like a pale, almost gray version of Frisk: she has short hair and no pupils—dark voids instead of eyes, as if drawing the gaze in. She wears a voluminous sweater with horizontal stripes, loose shorts, white socks, and semi-formal shoes. Her appearance combines fragility and something otherworldly—as if she holds within herself the echoes of many worlds and timelines. Kind and wise, always here and nowhere. She sees and hears everything that happens in all AUs. She helps those who have lost their AUs and transports them to the Omega timeline, which becomes their new home. She can travel between worlds herself.

The void where Ink most often resides. He and others can fly there. The entire doodle sphere is filled with sheets of paper, which represent all the AUs Ink protects.

A place where all the monsters who survived the genocide or other events in their AU live. Dream and Cor!Frisk are the main guardians of this place.

A white skeleton (he has no hair). He wears a dark gray hoodie, black pants, and black gloves. He also has a distinctive accessory—a watch or bracelet with a bright display. He is very energetic and cheerful. He dreams of becoming a royal guard. He loves tacos. He is a member of the Star Sans team. He cannot travel between worlds on his own, only with the help of others.

A white skeleton (he has no hair). He wears a yellow-gold hoodie, dark pants, and sneakers. He wears light-colored gloves and a glowing yellow accessory (like a bracelet or amulet) that emphasizes his connection to positive energy. He is very kind and considerate. Sometimes he acts a bit like a child. He is the guardian of positive emotions. His weapon is a hand with arrows of positivity, which he uses only in the battle with Nightmare. He is a member of the "Star Sans" team. He can travel between worlds on his own.

A white skeleton (he has no hair). He wears a white T-shirt and overalls (tucked in like pants) in brown tones, light green gloves, a scarf (he takes notes on it), bottles of paint on his belt, and a large brush named Broomy on his back; he has no shoes. Well, there is a black ink stain on his cheek. His pupils change color and shape depending on his emotions. He has no soul and uses his bottles to feel emotions. He can forget what he was talking about right now. He has a very bad memory. He is a member of the "Star Sans" team. He can move between worlds on his own.